I have a number of Windows Server 2008 R2 servers in a single domain. I have created a firewall rule which opens TCP port 13724 on all servers including the domain controllers. I'm able to telnet
to port 13724 on all servers apart from the domain controllers, where I get the following message returned.
C:\Windows\system32>telnet server1 13724 Connecting To Server1...Could not open connection to the host, on port 13724:
When I examine the security event log on the destination domain controller, I see the following event.
The Windows Filtering Platform has blocked a packet.
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